int8 NO_CONTROLLER=-1
int8 DISCONNECTED=0
int8 CONFIRM_SAFETY=1
int8 BOOTING=2
int8 POWER_OFF=3
int8 POWER_ON=4
int8 IDLE=5
int8 BACKDRIVE=6
int8 RUNNING=7
int8 UPDATING_FIRMWARE=8

int8 mode

